Heat accumulator with expansion recesses
US5088548A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1990 |
| Grant date | Feb 18, 1992 |
| Priority date | — |
| Expiry date | Dec 7, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S165/917
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
To improve a storage heater, which comprises a storage container with a wall region for the introduction of heat and a storage medium arranged in this storage container, in order to maximize the service life and to enable it to withstand a plurality of melting and solidifying processes, the wall region is provided with recesses opening out towards the storage medium, a wall surface of the region of the wall facing the storage medium is made of a material that is not wetted by the storage medium and the facing wall surfaces in the recesses are at a distance apart such that the storage medium does not enter them in the completely liquid state due to capillarity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.